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Physics · Optics

What is the speed of light in a vacuum?

Verified Solution4 OptionsUpdated: October 2026

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13 x 10^8 m/s✓
23 x 10^7 m/s
32 x 10^8 m/s
43 x 10^5 m/s

Correct answer

3 x 10^8 m/s

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